refraction. total internal reflection total internal reflection just occurs. 全反射剛剛發生 c...
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Refraction
Total internal reflection
Total internal reflection
Total internal reflection
Total Internal Reflection just occurs. 全反射剛剛發生
c
c 為臨界角
Total internal reflection
Total Internal Reflection occurs. 全反射發生
> C
Diamond
A
B
C
Triangular prism01
A
B
C
Triangular prism01
Optical fibre
eye of a fish
CField of view 視野範圍
Fish-eye view
eye of diver
C = 48.8°
HW (P.63#2a,b)
air
2 m
(a)光線在光導管中進行全內反射 , 可以
用作光纖通訊 .(b)
48.8°
2 m
r = ?
tan 48.8° =
2
r(b)
1988CE
10° 15° 20° 25° 30°
16.1° 24.5° 33.2° 42.5° 53.1°
sin 0.17 0.26 0.34 0.42 0.50
sin 0.28 0.41 0.55 0.68 0.80
(0.5, 0.8)
(0, 0)
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